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BIO 121 Cells Ch 4

QuestionAnswer
What are the two domains of Prokaryotes? Bacteria and Archaea
What are the different shapes of bacteria? Cocci (Round), Bacilla (Rod), Spirilla (Spiral)
What makes up the plasma membrane? Phospholipids with hydrophillic heads and hydrophobic tails. Proteins stud this membrane.
What are mesosomes? Mesosomes are folded inward in the plasma membrane, found in bacterial cells.
What is glococalyx? gel-like coating outside cell wall. If compact, called a capsule. If diffuse, called a slime layer.
What is cytoplasm? gel-like substance that fills the cell
What is a nucleoid? Region where dna is physically organized and coiled, not enclosed in a membrane.
What is a plasmid? Extrachromosomal piece of circular DNA found in bacteria.
What are mesosomes? Mesosomes are folded inward in the plasma membrane, found in bacterial cells.
What is glococalyx? gel-like coating outside cell wall. If compact, called a capsule. If diffuse, called a slime layer.
What is cytoplasm? gel-like substance that fills the cell
What is a nucleoid? Region where dna is physically organized and coiled, not enclosed in a membrane.
What is a plasmid? Extrachromosomal piece of circular DNA found in bacteria.
How are plasmids used in the productions of medicine? Plasmids can act as a vector and help transport DNA into a bacterium
What are ribosomes? Where tiny proteins specified for bacterial DNA are synthesized on.
What are inclusion bodies? Stored granules of various substances, found in cytoplasm
What are cyanobacteria? Bacteria that photosynthesize in the same manner as plants.
What are thylakoids? Extensive internal membranes where chlorophyll and other pigments absorb solar energy for the production of carbohydrates.
What is fimbriae? Small, bristlelike fibers that spout and attach the cell to a surface.
What are sex pili? Rigid tubular structures used by bacteria to pass DNA from cell to cell.
What are peroxisomes? membrane bounded vesicles that enclose enzymes
What is the golgi apparatus? packages proteins, stack of curved saccules
What does the cytoskeleton do? maintains cell shape, allows cell to move
Created by: 722741089
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